Zachary Lawrence

The polar vortex influences the jet stream, which can bring cold winter weather to the U.S. and Europe. AP Photo/Bill Sikes

What exactly is the polar vortex?

The media often call unusually cold, snowy storms a ‘polar vortex.’ The real polar vortex isn’t coming down to visit the lower 48, but changes to the polar vortex can influence winter weather.

Contact Zachary for

  • General
  • Media request
  • Speaking request
  • Consulting / Advising
  • Research collaboration
  • Research supervision